In February, the weather in Carrick-on-Shannon is typically cold. Average daily high temperature in February is about 7 degrees above zero. On average, Carrick-on-Shannon has 24 rainy, 4 sunny, and 1 partly cloudy day in February. The rains are usually moderate. February as well as January, March, April, and May is considered the most uncomfortable time to visit Carrick-on-Shannon.